Spinning centrifuge



Feb. 26, 1935. soc-H 1,992,602

SPINNING CENTRIFUGE Filed NOV. '2, 1931 Patented Feb. 26, 1935 v 1,992,602

SPENNING CENTRIFUGE Otto Bochmann, Remscheid-Lennep, Germany,

assignor to American Bemberg Corporation, m New York, N. Y., a corporation of Delaware .n ML. kw \..1 L Application November 2, 1931, Serial No. 572,699 l H In Germany November 3, 1939 l 2 {$35 2 Claims. (Cl. 118-49) In the manufacture of artificial silk it is necespot and is attached to the thread guide funnel sary to impart to the filament guiding tube an by means of a holdingdevice, e. g. a-socket clamp. upward and downward motion. These tubes are Since the diameter of the spinning pot correfixed to bars and have an upward and downward sponds to that of the housing of the centrifuge 5 motion imparted to them by a cam drive through or exceeds the same it is advisable to form a 5 the intermediary of a common rocking shaft. m'ght angle bend in the rod which is provided As the motion is imparted from a main drive to for actuating the funnel through a' right angle a number of filament guiding tubes the trans-- close to the spinning pot. mission gear is complicated. A further disad- The accompanying drawing shows one convantage is that in the case of a breakdown the structional form of a spinning centrifuge accord- 1 whole of the series having a common drive is put ing to the invention, by way of example, in secout of action. tional elevation.

These drawbacks are avoided by effecting the The centrifuge consists of an electrical motor drive of the thread guide funnel directly from 57 the shaft 29 of which supports a spinning'pot the driving motor of the spinning pot by means 2 at its upper end. The electromotor is sur- 15 of a curvilinear drive. rounded by a housing 58 which at its lower end is According to the invention the curvilinear provided with a cylindrical guide 59 concentric guide for the up and down motion of the thread to the motor shaft in the form of an appendage. guide funnel is arranged concentrically with re- A drum 61 provided with curved guide is mountspect to the shaft of the driving motor for the ed on this cylindrical guide 59. The guide drum spinning pot and driving the said guide by the supports a bearing bush 62 by means of spokes motor shaft, if necessary through the interme- 69, which bush is loosely rotatable but is arranged diary of a transmission drive. so as to be axially secured onthe cylindrical In order now to prevent the structural height guide 59.

of the spinning centrifuge from being too great The driving of the guide drum is effected by the 25 it has been found to be particularly advantadownwardly extending end 60 of the motor shaft geous to make the curvilinear guide in the form 29 through a transmission gearing which conof a hollow drum, the interior diameter of which sists of a number of toothed wheels 63-66 which is greater than the diameter of the motor housengage in the internal gear 67 arranged in the 30 ing and which projectswholly or partially over lower end of the guide drum. In the peripheral 30 the said motor housing. By using this design of surface of the guide drum a recurrent curve 76 apparatus it is possible to maintain the structural is incised for providing the up and down moveheights which are now usual in centrifuges which ment of the thread guide funnel 3. A rod 50, 51, have no drive for the thread guide funnel and it 53 engages in the curved guide by means of a is also unnecessary to increase the periphery of pin 56. The rod consists of a lower portion 53 35 the said centrifuges. which is mounted parallel to the axis of the cen- The drive of the drum provided with a curvitrifuge in a bore 55v of the motor housing 58 so linear guide is' effected by the lower end of the as to be axially displaceable therein. Above the motor shaft which engages through a transmispoint at which the rod leaves the housing the 40 sion drive with an internal gear provided on the said part 53 is outwardly bent over through a 40 said drum and thus the high speed of revolution right angle. In the upper hollow end of the porof the motor shaft is converted into the requisite tion 53 another rod 51 is axially-guided. This rod. small rotational speed for actuating the thread 51 supports an arm 50 projecting through a right guide funnel. angle over the spinning pot, which holds the The drum with the curvilinear guide is mountthread guide funnelB by means of a. clamping 45 ed concentrically to the motor shaft on a cylinsleeve. The guide drum and the transmission drical guide member arranged on the motor gearing, as well as the lower portion ofthe guidhousing. ing rod, are enclosed by a protecting casing 68 The thread guide funnel is held by a rod pararranged on the motor housing. allel to the centrifuge shaft and mounted ax- What I claim is: ially displaceable in the housing. The rod en- 1. In an apparatus of the class described, a

gages at its lower end with the curve guide by moto", a housing therefor,.a shaft driven by said means of a pin or a roller rotatable about a' pin. motor, a-spinning pot on said shaft, means to The upper nd of the rod is bent over n an e guide thread to said pot, means to drive said and extends to over the middle of the spinning guide means, said driving means comprising a hollow drum provided with a cam track arranged concentrically to said housing; said drum being rotatably secured to said housing, a gear on-the other end of said shaft, said gear meshing with an intermediate gearing, said intermediate gearing in turn rotating said drum, and means driven by said drum and connected to said thread guide means for imparting reciprocatory motion to the latter upon rotation. 1

2. In an apparatus of the class described, a motor, a. shaft driven by said motor, a spinning pot on said shaft, means to guide thread to saidpot, means to impart reciprocatory motion to said guide, said reciprocatory means comprising a hollow drum concentric to said shaft, said drum being provided with a cam track, a follower riding in said cam track and. directly concentric with said thread guide means, and means operatively connecting said drum cam and said motor, means for mounting said cam on said motor whereby said cam may be driven thereby.

' O'I 'IO BOCHMANN. 

